git.pond.sub.org Git - empserver/blob - src/lib/commands/sail.c

   1 /*
   2  *  Empire - A multi-player, client/server Internet based war game.
   3  *  Copyright (C) 1986-2007, Dave Pare, Jeff Bailey, Thomas Ruschak,
   4  *                           Ken Stevens, Steve McClure
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *  ---
  21  *
  22  *  See files README, COPYING and CREDITS in the root of the source
  23  *  tree for related information and legal notices.  It is expected
  24  *  that future projects/authors will amend these files as needed.
  25  *
  26  *  ---
  27  *
  28  *  sail.c: Set sail path for leaders
  29  *
  30  *  Known contributors to this file:
  31  *     Robert Forsman
  32  */
  33
  34 #include <config.h>
  35
  36 #include <ctype.h>
  37 #include "commands.h"
  38 #include "optlist.h"
  39 #include "path.h"
  40 #include "ship.h"
  41
  42 static int
  43 show_sail(struct nstr_item *nstr)
  44 {
  45     int count = 0;
  46     struct shpstr ship;
  47
  48     while (nxtitem(nstr, &ship)) {
  49         if (!player->owner || ship.shp_own == 0)
  50             continue;
  51         if (count++ == 0) {
  52             if (player->god)
  53                 pr("own ");
  54             pr("shp#     ship type       x,y    ");
  55             pr("mobil mobquota follows path\n");
  56         }
  57         if (player->god)
  58             pr("%3d ", ship.shp_own);
  59         pr("%4d ", ship.shp_uid);
  60         pr("%-16.16s ", mchr[(int)ship.shp_type].m_name);
  61         prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
  62         pr("%3d  ", ship.shp_mobil);
  63         pr("   %3d     ", ship.shp_mobquota);
  64         pr("   %3d   ", ship.shp_follow);
  65         if (ship.shp_path[0]) {
  66             pr("%s", ship.shp_path);
  67         } else if ((ship.shp_autonav & AN_AUTONAV)) {
  68             pr("Has orders");
  69         }
  70         pr("\n");
  71         if (ship.shp_name[0] != 0) {
  72             if (player->god)
  73                 pr("    ");
  74             pr("       %s\n", ship.shp_name);
  75         }
  76     }
  77     if (count == 0) {
  78         if (player->argp[1])
  79             pr("%s: No ship(s)\n", player->argp[1]);
  80         else
  81             pr("%s: No ship(s)\n", "");
  82         return RET_FAIL;
  83     } else
  84         pr("%d ship%s\n", count, splur(count));
  85     return RET_OK;
  86 }
  87
  88 static int
  89 cmd_unsail_ship(struct nstr_item *nstr)
  90 {
  91     struct shpstr ship;
  92     int count = 0;
  93
  94     while (nxtitem(nstr, &ship)) {
  95         if (!player->owner || ship.shp_own == 0)
  96             continue;
  97         if (ship.shp_path[0]) {
  98             pr("Ship #%d unsailed\n", ship.shp_uid);
  99             count++;
 100             ship.shp_path[0] = 0;
 101             putship(ship.shp_uid, &ship);
 102         }
 103     }
 104     return RET_OK;
 105 }
 106
 107 static int
 108 cmd_sail_ship(struct nstr_item *nstr)
 109 {
 110     char *cp;
 111     struct shpstr ship;
 112     char navpath[MAX_PATH_LEN];
 113
 114     while (!player->aborted && nxtitem(nstr, &ship)) {
 115         if (!player->owner || ship.shp_own == 0)
 116             continue;
 117         if ((ship.shp_autonav & AN_AUTONAV) &&
 118             !(ship.shp_autonav & AN_STANDBY)) {
 119             pr("Ship #%d has other orders!\n", ship.shp_uid);
 120             continue;
 121         }
 122
 123         pr("Ship #%d at %s\n", ship.shp_uid,
 124            xyas(ship.shp_x, ship.shp_y, ship.shp_own));
 125         cp = getpath(navpath, player->argp[2],
 126                      ship.shp_x, ship.shp_y, 0, 0, P_SAILING);
 127         if (!check_ship_ok(&ship))
 128             continue;
 129         if (!player->aborted) {
 130             strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 2);
 131             ship.shp_mission = 0;
 132             putship(ship.shp_uid, &ship);
 133         }
 134     }
 135     return RET_OK;
 136 }
 137
 138 int
 139 sail(void)
 140 {
 141     char *cp;
 142     struct nstr_item nstr;
 143
 144     if (!opt_SAIL) {
 145         pr("The SAIL option is not enabled, so this command is not valid.\n");
 146         return RET_FAIL;
 147     }
 148     if (!snxtitem(&nstr, EF_SHIP, player->argp[1]))
 149         return RET_SYN;
 150     cp = player->argp[2];
 151     if (*player->argp[0] == 'u' || (cp && !strcmp(cp, "-")))
 152         return cmd_unsail_ship(&nstr);
 153     if (cp && *cp == 'q')
 154         return show_sail(&nstr);
 155     return cmd_sail_ship(&nstr);
 156 }